Fluke 831 - Page 117

tapping (1).
Causes that may influence measurement
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Incorrect or loose mounting of bracket frame, support posts
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Incorrect or loose mounting of sensor and reflector on the support posts
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Loose machine anchor bolts
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Unstable or damaged machine foundation
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Mounted components strike machine foundation or machine casings or frame during
shaft rotation
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High breakaway torque from rotatable and non-rotatable shafts
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Coupling backlash
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Change of rotational direction during and between measurements
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Mounted components moved during shaft rotation
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Uneven shaft rotation
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Change in temperature within machines
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External vibration from other rotating machines
Results and Live Move
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V is the vertical orientation of the machines viewed from the side.
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H is the horizontal orientation of the machines viewed from the top.
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The foot results which are used in correcting misalignment are position values with
respect to the reference machine.
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The bold colored foot tolerance arrows show the direction and magnitude in which to
move the machine. The color code also shows the attained alignment tolerance.
Fluke 831 117
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